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### - l -

- layer() : QCustomPlot
- layerableAt() : QCustomPlot
- layerableListAt() : QCustomPlot
- layerChanged() : QCPLayerable
- layerCount() : QCustomPlot
- layout() : QCPLayoutElement
- layoutChanged() : QCPAxisRect , QCPLayoutElement
- layoutElementAt() : QCustomPlot
- left() : QCPAxisRect , QCPPolarAxisAngular
- legendClick() : QCustomPlot
- legendDoubleClick() : QCustomPlot
- legendRemoved() : QCustomPlot
- length() : QCPDataRange , QCPVector2D
- lengthSquared() : QCPVector2D
- limitIteratorsToDataRange() : QCPDataContainer< DataType >
- loadPreset() : QCPColorGradient